'Subindices' definitions:

Definition of 'Subindices'

From: GCIDE
  • Subindex \Sub*in"dex\, n.; pl. Subindices. (Math.) A number or mark placed opposite the lower part of a letter or symbol to distinguish the symbol; thus, a0, b1, c2, xn, have 0, 1, 2, and n as subindices. [1913 Webster]